![]() ![]() These shapes conform to the American Institute of Steel Construction shape designations. Section Type to Display : Allows you to select which steel section designation to display in the list. Steel Database : Allows you to select between several common shapes databases. On this window there are various controls and options. This button displays the steel section database as shown below. there will be a button that looks like this: \[\phi R_n = \phi \mu D_u h_f T_b n_s = 1 \cdot 0.3 \cdot 1.13 \cdot 1.0 \cdot 35 \cdot 2 = 24 \textrm \ge 27.The allowable bearing stress on concrete is calculated based upon an allowable increase using on the ratio of plate and concrete areas.īuilt into the software is a complete database of common rolled sections available from various mills in the United States. The minimum bolt pretension is taken from Table J3.1 as \(T_b = 35\) kip. The strength of slip-critical connection is determined according to AISC 360-16 – J3.8. Brace connection check Slip-critical connection The column base needs to resist compressive force of \(160-30\cdot \sin(40^\circ) = 141\) kip and bending moment 1000 kip-in. The compressive force, 160 kip, is decreased by the vertical component of the tensile force in the brace. The gusset plates and welds needs to be sufficient. The tensile force in the brace, 30 kip, is required to be transferred via two preloaded bolts. ![]() The shear force is the sum of shear force in column and the horizontal component of the tensile force in the brace, i.e. The shear is transferred only in the concrete block and the grout is ineffective. The whole shear force is expected to be transferred via the shear lug into the concrete block. The design of beam and column is assumed to be checked elsewhere. Concrete side-face blowout strength – ACI 318-14 – 17.4.4.Concrete pullout strength – ACI 318-14 – 17.4.3.Concrete breakout strength – ACI 318-14 – 17.4.2. ![]() Steel strength of anchors in tension – ACI 318-14 – 17.4.1.Concrete bearing strength in compression – AISC 360-16 – J8.Concrete breakout strength of the shear lug – ACI 349 – B11.Bearing capacity of shear lug against concrete – ACI 349-01 – B.4.5 and RB11.Bending strength of shear lug – AISC 360-16 – F2.1.Shear strength of shear lug – AISC 360-16 – G2.Tensile strength of connected elements – AISC 360-16 – J4.1.Block shear strength – AISC 360-16 – J4.3.Slip resistance of bolts in shear – AISC 360-16 – J3.8. ![]() Anchor rods are designed according to AISC 360-16 – J9 and ACI 318-14 – Chapter 17. The capacity of shear lug is determined according to ACI 349-01. Manual check of bolts, welds, plates, and concrete in compression is done according to AISC 360-16. Gusset plate dimensions and loads on a transparent mode Manual assessment ![]()
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